On November 18, 2011 Waterloo Officers conducted a traffic stop with a vehicle in the area of E. 4th St/Lafayette St. in regard to an equipment violation. During the investigation Officers detected an odor of marijuana emitting from the vehicle. A search of the vehicle was conducted and Officers located a .22 caliber revolver and ammunition inside. Several suspects were taken into custody for questioning including eighteen-year-old Kristopher Lamont Kraft and nineteen-year-old Demetrius Marcellus Green. While at the station Officers discovered Green had a quantity of individually packaged marijuana concealed down his pants along with other items used to distribute. Green was charged with possession with intent to deliver marijuana. During the investigation Officers also determined the gun in the vehicle belonged to Kraft. Kraft was charged with carrying weapons. Both suspects were booked at the Black Hawk County Jail.